Registration number (WIID)Project No.TitleStatus
79319LVS EN 18103:2025Inorganic fertilizers - Determination of nutrient polymers nitrogen in the presence of other nitrogenous forms 
75452LVS EN 17864:2023Inorganic fertilizers - Determination of nitrogen content in IBDU (isobutylidenediurea) and CDU (crotonylidenediurea)Standarts spēkā
74236LVS EN 17836:2024Fertilizers - Description of the forms of the physical unitStandarts spēkā
71267LVS EN 17817:2024Fertilizers, liming materials and inhibitors - Determination of the quantity (declared by mass or volume)Standarts spēkā
71265LVS EN 17816:2023Liming materials - Determination of physical and chemical properties and specific contaminantsStandarts spēkā
67906LVS EN 17411:2021Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS)Standarts spēkā
59029LVS EN 17246:2019Fertilizers - Determination of perchlorate in mineral fertilizers by ion chromatography and conductivity detection (IC-CD)Standarts spēkā
59361LVS EN 17090:2019Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)Standarts spēkā
40798LVS EN 17043:2018Fertilizers - Determination of molybdenum in concentrations ≤ 10 % using spectrometry of a complex with ammonium thiocyanateStandarts spēkā
40797LVS EN 17042:2018Fertilizers - Determination of boron in concentrations > 10 % using acidimetric titrationStandarts spēkā
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